Book Series Guide

Marko Kloos · series

Frontlines books in order

A military science-fiction series centered on Andrew Grayson and the North American Commonwealth's wars against the Lankies.

ongoing12 books

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Reading order

Only reading orders present in the catalog are shown. Optional novellas and companion works can be hidden without changing the underlying sequence.

Publication order

  1. 1 Cover of Terms of Enlistment
    Terms of Enlistment

    Book 1 · novel · 2013

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  2. 2 Cover of Lines of Departure
    Lines of Departure

    Book 2 · novel · 2014

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  3. 3 Cover of Lucky Thirteen
    Lucky Thirteen

    Book 2.1 · novella · 2013 Optional

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  4. 4 Cover of Measures of Absolution
    Measures of Absolution

    Book 2.2 · novella · 2013 Optional

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  5. 5 Cover of Angles of Attack
    Angles of Attack

    Book 3 · novel · 2015

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  6. 6
    Frontlines: Requiem

    Book 3.5 · graphic-novel · 2016 Optional

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  7. 7 Cover of Chains of Command
    Chains of Command

    Book 4 · novel · 2016

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  8. 8 Cover of Fields of Fire
    Fields of Fire

    Book 5 · novel · 2017

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  9. 9 Cover of Points of Impact
    Points of Impact

    Book 6 · novel · 2018

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  10. 10 Cover of Orders of Battle
    Orders of Battle

    Book 7 · novel · 2020

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  11. 11 Cover of Centers of Gravity
    Centers of Gravity

    Book 8 · novel · 2022

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  12. 12
    Echoes of Silence

    Book 8.5 · novella · 2025 Optional

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